Geothermal gradient in permafrost

Temperature with depth in permafrost reflects the interaction of heat escaping from Earth's interior with a seasonally fluctuating surface temperature.
Originally uploaded in Integrate:Teaching for Sustainability:InTeGrate Modules:Modeling Earth Systems:Student Materials.

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Uploaded: Nov20 14

Last Modified: 2016-08-17 11:16:50
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Original contributor, German Wikipedia user, "HylgeriaK", translation by User:HopsonRoad. Accessed via Wikipedia, this image is in the creative commons:
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